B1451 Chevrolet Code - Accessory Power Circuit
Quick Answer
The Keyless Entry Control Module provides backup controls for the ignition power circuit, through the control circuit, by applying voltage to the circuit. Common causes include Faulty Keyless Entry Control Module, Keyless Entry Control Module harness is open or shorted, Keyless Entry Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1451 Chevrolet indicates Accessory Power Circuit.
- Common causes
- Common causes include Faulty Keyless Entry Control Module, Keyless Entry Control Module harness is open or shorted, Keyless Entry Control Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1451 Chevrolet Description
What are the Possible Causes of the DTC B1451 Chevrolet?
- Faulty Keyless Entry Control Module
- Keyless Entry Control Module harness is open or shorted
- Keyless Entry Control Module circuit poor electrical connection
How to Fix the DTC B1451 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
B1451 02 Accessory Power Circuit Short to Ground
B1451 04 Accessory Power Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1451 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1451 Chevrolet Code
1. What are common symptoms of OBDII code B1451 in a Chevrolet related to the Accessory Power Circuit?
- Common symptoms include issues with power windows, door locks, radio, or other electronic accessories not functioning properly.
2. What could cause OBDII code B1451 in a Chevrolet related to the Accessory Power Circuit?
- The code may be triggered by a blown fuse, a faulty relay, a wiring issue, or a malfunctioning accessory control module.
3. How can I diagnose the cause of OBDII code B1451 in my Chevrolet?
- To diagnose the issue, start by checking the fuses related to the accessory power circuit, inspecting the wiring for any damage, and testing the relevant relays and modules for proper functionality.
4. Can a DIY enthusiast repair OBDII code B1451 in a Chevrolet related to the Accessory Power Circuit?
- Depending on the cause, some repairs like replacing a blown fuse or a faulty relay can be done by a DIY enthusiast with basic automotive knowledge and tools.
5. Is it safe to continue driving with OBDII code B1451 triggered in a Chevrolet?
- It is generally safe to drive with this code triggered, but it is important to address the underlying issue promptly to prevent further damage to the accessory power circuit.
6. How much does it typically cost to repair OBDII code B1451 in a Chevrolet related to the Accessory Power Circuit?
- The cost of repair can vary widely depending on the cause of the issue, but it may range from a simple fuse replacement costing a few dollars to a more complex repair involving module replacement costing a few hundred dollars.
7. Can resetting the OBDII codes clear B1451 in a Chevrolet related to the Accessory Power Circuit?
- Resetting the codes may temporarily clear the error code, but it will likely return if the underlying issue is not addressed and repaired.
8. What diagnostic tools are recommended for troubleshooting OBDII code B1451 in a Chevrolet?
- A scan tool capable of reading OBDII codes and accessing live data can be helpful for diagnosing the specific cause of the Accessory Power Circuit issue.
9. Are there any common recalls related to OBDII code B1451 in Chevrolet vehicles?
- There are no known recalls specifically for OBDII code B1451 related to the Accessory Power Circuit in Chevrolet vehicles at the moment.
10. How can I prevent OBDII code B1451 from triggering in my Chevrolet in the future?
- Regularly inspecting and maintaining the electrical components in the accessory power circuit, such as fuses, relays, and wiring, can help prevent issues that lead to this code.
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